Zebrafish embryo with laser eyes! A transgenic line for the gene Prox1 (orange) imaged with @zeiss_micro #embryo2017

Zebrafish embryo with laser eyes! A transgenic line for the gene Prox1 (orange) imaged with @zeiss_micro #embryo2017
I wrote a text about the development and evolution of the turtle shell on The Node: Turtles in a nutshell.
It shows the beginning of shell formation in embryos and how this can help us understand the evolution of such unique body pattern. 3D animations and fossils are included!
Never thought I would post a vertebrate on this website… but having shoulders inside the rib cage made me make an exception, poor things :p